
public class Test {

	/**
	 * 
	 * @param a
	 * @param b
	 * @return
	 */
	public static String test(String a, String b)
	{
		return a + b ;
	}
	
	public static void main(String[] args) {
		System.out.println(test("aa", "gg"));
	}
	
}
